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From "David Medinets (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-2366) Giant table names kill the master
Date Fri, 25 Jul 2014 21:28:40 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14074958#comment-14074958
] 

David Medinets commented on ACCUMULO-2366:
------------------------------------------

To be clear, does "ConnectionLoss for /accumulo/8da9811c-b74a-43a8-9acd-f35365743241/fate/tx_5be1ffebf4a0a0c1/repo_"
mean that part of the zookeeper entry was cut off? If so, is there an explicit zookeeper guideline
for path size?

> Giant table names kill the master
> ---------------------------------
>
>                 Key: ACCUMULO-2366
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2366
>             Project: Accumulo
>          Issue Type: Bug
>          Components: master
>            Reporter: John Vines
>             Fix For: 1.7.0
>
>
> Attempting to create a 1MB table results in the master losing it's ZK lock and going
down. It gets the following error message twice.
> We should probably limit table names for this reason.
> {code}Error connecting to zookeeper, will retry in 250
> 	org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss
for /accumulo/8da9811c-b74a-43a8-9acd-f35365743241/fate/tx_5be1ffebf4a0a0c1/repo_
> 		at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> 		at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> 		at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
> 		at org.apache.accumulo.fate.zookeeper.ZooUtil.putPersistentSequential(ZooUtil.java:213)
> 		at org.apache.accumulo.fate.zookeeper.ZooReaderWriter.putPersistentSequential(ZooReaderWriter.java:94)
> 		at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 		at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 		at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 		at java.lang.reflect.Method.invoke(Method.java:622)
> 		at org.apache.accumulo.server.zookeeper.ZooReaderWriter$1.invoke(ZooReaderWriter.java:67)
> 		at com.sun.proxy.$Proxy2.putPersistentSequential(Unknown Source)
> 		at org.apache.accumulo.fate.ZooStore.push(ZooStore.java:297)
> 		at org.apache.accumulo.fate.AgeOffStore.push(AgeOffStore.java:176)
> 		at org.apache.accumulo.fate.Fate.seedTransaction(Fate.java:163)
> 		at org.apache.accumulo.server.master.Master$MasterClientServiceHandler.executeTableOperation(Master.java:832)
> 		at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 		at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 		at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 		at java.lang.reflect.Method.invoke(Method.java:622)
> 		at org.apache.accumulo.trace.instrument.thrift.TraceWrap$1.invoke(TraceWrap.java:63)
> 		at com.sun.proxy.$Proxy3.executeTableOperation(Unknown Source)
> 		at org.apache.accumulo.core.master.thrift.MasterClientService$Processor$executeTableOperation.getResult(MasterClientService.java:1591)
> 		at org.apache.accumulo.core.master.thrift.MasterClientService$Processor$executeTableOperation.getResult(MasterClientService.java:1575)
> 		at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
> 		at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
> 		at org.apache.accumulo.server.util.TServerUtils$TimedProcessor.process(TServerUtils.java:156)
> 		at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:478)
> 		at org.apache.accumulo.server.util.TServerUtils$THsHaServer$Invocation.run(TServerUtils.java:208)
> 		at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
> 		at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 		at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
> 		at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
> 		at java.lang.Thread.run(Thread.java:701){code}



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